The paper presents the healing properties and biological activity of propolis, commonly known as bee glue. Propolis is a natural product collected by bees from buds of plants and bark of trees, then moistened with bee enzymes. Propolis is widely used for general treatment, skin affections, and as an anti-inflammatory agent for ulcers and hard-to-heal wounds. Propolis, due to its properties, is called an antibiotic of the 21st century
